Sammarco, John J. <br/><br/>
Mining machine orientation control based on inertial, gravitational, and magnetic sensors / 
by John J. Sammarco. 
 - Washington, D.C. :  United States Dept. of the Interior, Bureau of Mines,  1990. 
 - ii, 23 p. :  ill. 
 - Report of investigations ;  9326 .
 - Report of investigations (United States. Bureau of Mines) ;  9326. .
<br/><br/><label>LCCN: </label>90002101 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal-mining machinery--Automatic control.<br/>Navigation--Data processing.